Upstream Bio, Inc. - Common Stock (NQ:UPB)

2.920 +0.120 (+4.29%)
Delayed Quote Updated: 12:39 PM EDT, Oct 20, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 412,732
Open 2.790
Bid (Size) 2.910 (300)
Ask (Size) 2.930 (300)
Prev. Close 2.800
Today's Range 2.780 - 3.090
52wk Range 2.740 - 33.68
Shares Outstanding N/A
Dividend Yield N/A

Performance

52-Week Range 91.3% below 52-week high
2.920
2.7452W Low 33.6852W High
1 Week 29.7% below 1-week high
2.741W Low 4.161W High

Upstream Bio, Inc. - Common Stock (UPB) traded between $2.74 and $33.68 over the past 52 weeks and last traded at $2.92, 91.3% below its 52-week high. Over the past week it ranged between $2.74 and $4.16.

Past 12 Months
-17.7%
-45.6%
-58.2%
-70.8%
-89.2%
-87.3%
1W -$0.63
1M -$2.45
3M -$4.06
6M -$7.07
YTD -$24.15
1Y -$20.13

UPB was -87.3% over the past year, -70.8% over six months, -89.2% year to date, -17.7% in the last week.

12 Months vs Market
UPB
-87.3%
DIA
+12.2%
SPY
+14.6%
QQQ
+17.6%
IWM
+11.1%

Over the past 12 months UPB returned -87.3% versus DIA (Dow) +12.2%, SPY (S&P 500) +14.6%, QQQ (Nasdaq 100) +17.6% and IWM (Russell 2000) +11.1%.

Volume & Liquidity 0.55× 3-mo avg
Today 412,732 3-mo avg 747.5K
1W
1.5M
1M
1.0M
3M
747.5K
6M
663.4K
YTD
862.4K
1Y
787.8K

UPB most recently traded 412,732 shares against a 3-month average daily volume of 747.5K.

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Frequently Asked Questions

Is Upstream Bio, Inc. - Common Stock publicly traded?
Yes, Upstream Bio, Inc. - Common Stock is publicly traded.
What exchange does Upstream Bio, Inc. - Common Stock trade on?
Upstream Bio, Inc. - Common Stock trades on the Nasdaq Stock Market
What is the ticker symbol for Upstream Bio, Inc. - Common Stock?
The ticker symbol for Upstream Bio, Inc. - Common Stock is UPB on the Nasdaq Stock Market
What is the current price of Upstream Bio, Inc. - Common Stock?
The current price of Upstream Bio, Inc. - Common Stock is 2.920
When was Upstream Bio, Inc. - Common Stock last traded?
The last trade of Upstream Bio, Inc. - Common Stock was at 10/20/26 12:39 PM ET
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